Callahan; Christopher W

Patent Applications and Registrations

Patent applications and USPTO patent grants for Callahan; Christopher W.The latest application filed is for "electronic psychrometer and/or humidistat with low temperature and high humidity capability".

Company Profile

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Callahan; Christopher W - Cambridge NY US
Callahan; Christopher W. - Cambridge NY
Callahan; Christopher W. - Windsor Locks CT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electronic psychrometer and/or humidistat with low temperature and high humidity capability Grant 9,689,819 - Callahan June 27, 2	2017-06-27
Electronic Psychrometer and/or Humidistat with Low Temperature and High Humidity Capability App 20160061757 - Callahan; Christopher W.	2016-03-03
Apparatus For Supporting A Person Having Enhanced Portability And Method Of Using Same App 20130067655 - Bennett; Roderick ; et al.	2013-03-21
Apparatus for supporting a person having enhanced portability and method of using same Grant 8,332,971 - Bennett , et al. December 18, 2	2012-12-18
Apparatus For Supporting A Person Having Enhanced Portability And Method Of Using Same App 20100038934 - Bennett; Roderick ; et al.	2010-02-18
Controlling fuel cell fuel purge in response to recycle fuel blower operating conditions App 20060003204 - Callahan; Christopher W. ; et al.	2006-01-05
Shut-down procedure for fuel cell fuel processing system Grant 6,828,048 - Margiott , et al. December 7, 2	2004-12-07
Shut-down procedure for fuel cell fuel processing system App 20030087138 - Margiott, Paul R. ; et al.	2003-05-08

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